sio_puc.c revision 123910
190731Sjhay/*- 290731Sjhay * Copyright (c) 2002 JF Hay. All rights reserved. 390731Sjhay * Copyright (c) 2001 M. Warner Losh. All rights reserved. 490731Sjhay * 590731Sjhay * Redistribution and use in source and binary forms, with or without 690731Sjhay * modification, are permitted provided that the following conditions 790731Sjhay * are met: 890731Sjhay * 1. Redistributions of source code must retain the above copyright 990731Sjhay * notice, this list of conditions and the following disclaimer. 1090731Sjhay * 2. Redistributions in binary form must reproduce the above copyright 1190731Sjhay * notice, this list of conditions and the following disclaimer in the 1290731Sjhay * documentation and/or other materials provided with the distribution. 1390731Sjhay * 1490731Sjhay * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1590731Sjhay * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1690731Sjhay * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1790731Sjhay * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1890731Sjhay * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1990731Sjhay * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2090731Sjhay * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2190731Sjhay * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2290731Sjhay * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2390731Sjhay * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2490731Sjhay */ 2590731Sjhay 2690731Sjhay#include <sys/cdefs.h> 2790731Sjhay__FBSDID("$FreeBSD: head/sys/dev/sio/sio_puc.c 123910 2003-12-27 19:47:10Z imp $"); 2890731Sjhay 2990731Sjhay#include <sys/param.h> 3090731Sjhay#include <sys/systm.h> 3190731Sjhay#include <sys/bus.h> 3290731Sjhay#include <sys/conf.h> 3390731Sjhay#include <sys/kernel.h> 3490731Sjhay#include <sys/lock.h> 3590731Sjhay#include <sys/malloc.h> 3690731Sjhay#include <sys/mutex.h> 3790731Sjhay#include <sys/module.h> 3890731Sjhay#include <sys/tty.h> 3990731Sjhay#include <machine/bus_pio.h> 4090731Sjhay#include <machine/bus.h> 4190731Sjhay#include <sys/timepps.h> 4290731Sjhay 4390731Sjhay#include <dev/pci/pcivar.h> 4490731Sjhay#include <dev/puc/pucvar.h> 4590731Sjhay#include <dev/sio/siovar.h> 4690731Sjhay#include <dev/sio/sioreg.h> 4790731Sjhay 4892739Salfredstatic int sio_puc_attach(device_t dev); 4992739Salfredstatic int sio_puc_probe(device_t dev); 5090731Sjhay 5190731Sjhaystatic device_method_t sio_puc_methods[] = { 5290731Sjhay /* Device interface */ 5390731Sjhay DEVMETHOD(device_probe, sio_puc_probe), 5490731Sjhay DEVMETHOD(device_attach, sio_puc_attach), 55123910Simp DEVMETHOD(device_detach, siodetach), 5690731Sjhay 5790731Sjhay { 0, 0 } 5890731Sjhay}; 5990731Sjhay 6090731Sjhaystatic driver_t sio_puc_driver = { 6190731Sjhay sio_driver_name, 6290731Sjhay sio_puc_methods, 6390731Sjhay 0, 6490731Sjhay}; 6590731Sjhay 6690731Sjhaystatic int 6790731Sjhaysio_puc_attach(dev) 6890731Sjhay device_t dev; 6990731Sjhay{ 70106590Sjhb uintptr_t rclk; 7190731Sjhay 7290731Sjhay if (BUS_READ_IVAR(device_get_parent(dev), dev, PUC_IVAR_FREQ, 7390731Sjhay &rclk) != 0) 7490731Sjhay rclk = DEFAULT_RCLK; 7590731Sjhay return (sioattach(dev, 0, rclk)); 7690731Sjhay} 7790731Sjhay 7890731Sjhaystatic int 7990731Sjhaysio_puc_probe(dev) 8090731Sjhay device_t dev; 8190731Sjhay{ 82106590Sjhb uintptr_t rclk; 8390731Sjhay 8490731Sjhay if (BUS_READ_IVAR(device_get_parent(dev), dev, PUC_IVAR_FREQ, 8590731Sjhay &rclk) != 0) 8690731Sjhay rclk = DEFAULT_RCLK; 8791875Snyan#ifdef PC98 8891875Snyan SET_FLAG(dev, SET_IFTYPE(COM_IF_NS16550)); 8991875Snyan#endif 90106590Sjhb return (sioprobe(dev, 0, rclk, 1)); 9190731Sjhay} 9290731Sjhay 9390731SjhayDRIVER_MODULE(sio, puc, sio_puc_driver, sio_devclass, 0, 0); 94